15) The following table displays a frequency students in one middle school. For a randomly selected student in the schoo denote the number of siblings of the student. Number of siblings Frequency 4 567 0 1 2 3 189 245 102 42 24 13 5 2 Use random-variable notation to represent the event that the student obtained has at least two but fewer than six siblings. 61 B) (2

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A: The following solution is provided below